PCA9574 データシートの表示（PDF） - NXP Semiconductors.

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PCA9574

8-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt

NXP Semiconductors. 

NXP Semiconductors

PCA9574

8-bit I2C-bus and SMBus, level translating, low voltage GPIO

6. Pinning information

6.1 Pinning

terminal 1

index area

PCA9574BS

INT 1

A0 2

RESET 3

P0 4

P1 5

P2 6

P3 7

VSS 8

PCA9574PW

16 VDD

15 SDA

14 SCL

13 P7

12 P6

11 P5

10 P4

9 VDD(IO)

002aad052

Fig 3. Pin configuration for TSSOP16

RESET 1

P0 2

P1 3

P2 4

12 SCL

11 P7

10 P6

9 P5

002aad053

Transparent top view

Fig 4. Pin configuration for HVQFN16

terminal 1

index area

PCA9574HR

P0 1

P1 2

P2 3

P3 4

12 SDA

11 SCL

10 P7

9 P6

Transparent top view

Fig 5. Pin configuration for HXQFN16U

002aad876

PCA9574_2

Product data sheet

Rev. 02 — 27 July 2009

© NXP B.V. 2009. All rights reserved.

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